Finding the Fourth Proportional to 1,543,573.68, 2,129,453.14 and 931,385
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Solution
The fourth proportional to 1,543,573.68, 2,129,453.14 and 931,385 is: 1,284,901.87
Step by Step Solution
- Step 1: Write the proportion equation
1,543,573.68 : 2,129,453.14 = 931,385 : x - Step 2: Convert to fraction form
1,543,573.68/2,129,453.14 = 931,385/x - Step 3: Cross multiply
1,543,573.68x = 2,129,453.14 × 931,385 - Step 4: Simplify right side
1,543,573.68x = 1,983,340,712,798.90 - Step 5: Solve for x
x = 1,983,340,712,798.90/1,543,573.68 - Step 6: Final answer
x = 1,284,901.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.